Aha, getting somewhere
If I go in via CA and Readers to the Rescue, I do not get the pop-ups, but I do If I go in via
http://forums.vnunet.com/index.jspaBy that route, on the Forums/Category page in the "Business Software" category, the words "business applications" are highlighted green and generate the pops, also in the "Windows Vista" section the words "operating systems" do likewise, as does the word "Windows" in you open the page "Anything and everything to do with all versions of Windows". Lots more instances, but these are good examples.
Yes, my hosts file was edited in Notepad
Obviously, the simple answer is to stick with the CA route, but it would be nice to defeat vnu.net on this.